Feature:1. Fully Automatic: The under voltage protection module will automatically disconnect when under voltage, and connect automatically after the voltage rises. It does not need your manual operation and is easy to use.2. LED Display: The undervoltage protection module displays the voltage through the LED screen, which is intuitive and clear.3. Extend Battery Life: The under voltage protection module is used for low voltage protection of the battery to avoid over discharge of the battery and prolong the service life of the battery.4. Easy Operation: The under voltage protection module is adjusted by buttons, which is easy to operate, compact and easy to install.5. Wide Range of Applications: Common in boat, automotive, truck and other engine applications, this battery low voltage protection module can easily turn the battery on and off.Specification:Item Type: Digital Low Voltage Protector ModuleMaterial: PCBVoltage: 12VLoad Current: 20A.Package List:1 x Digital Low Voltage Protector Module